<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        * {
            color: white;
            margin: 0;
            padding: 0;
        }

        .header {
            width: 1000px;
            height: 65px;
            background: #1E9FFF;
            margin: 0 auto;
        }

        .container {
            height: 400px;
            width: 1000px;
            margin: 0 auto;
        }

        .container .main {
            float: left;
            width:600px;
            height: 400px;
            background: #b92c28;
        }
        .container .subsideBox {
            float: left;
            width: 200px;
            height: 400px;
            background: #00F7DE;
        }
        .container .side {
            float: right;
            width: 200px;
            height: 400px;
            background: #00F7DE;
        }
        .footer{
            width: 1000px;
            height: 80px;
            background: black;
            margin: 0 auto;

        }

    </style>
</head>
<body>
<div class="header"></div>


<div class="container">
    <div class="main">

    </div>
    <div class="subsideBox">

    </div>
    <div class="side">

    </div>
</div>
<div class="footer">


</div>
</body>
</html>